Home / 941,320.48-1,299,030.80-511,601.64

Finding the Fourth Proportional to 941,320.48, 1,299,030.80 and 511,601.64

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Solution

The fourth proportional to 941,320.48, 1,299,030.80 and 511,601.64 is: 706,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,320.48 : 1,299,030.80 = 511,601.64 : x
  2. Step 2: Convert to fraction form
    941,320.48/1,299,030.80 = 511,601.64/x
  3. Step 3: Cross multiply
    941,320.48x = 1,299,030.80 × 511,601.64
  4. Step 4: Simplify right side
    941,320.48x = 664,586,287,690.51
  5. Step 5: Solve for x
    x = 664,586,287,690.51/941,320.48
  6. Step 6: Final answer
    x = 706,014.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.